What is light?
What is light ?
Light is formed a energy from electromagnetic.
How can you see an object ?
The light hit the object first and then it is reflected in our eyes.
What is Incandescent light ?
Incandescent light is produced by a metal wire (w) under high temperature T°C (<2000°c )
What is an image?
An image is a reflection of the object created by reflected rays in any type of mirror.
Explain the electric discharge how they actually work?
An electric current passing through an inert gas or air ( Ne ) to produce light
Tell me what percentage of efficient the light emitting diode?
Light emitting create light by electroluminescene which is having a 45% efficient.
How the phosphorescent light form?
The phosphorescent light stores energy from a light source and then emits it for a short period of time
How can you see plane mirror?
light rays hit the object and some will hit the mirror incident rays, so we only actually see the reflected rays it is where the image is formed.